<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <form action="">
        商品名称:<input type="text"><br/>
        货号:<input type="text"><br/>
        库存量:<input type="text"><br/>
        单价:<input type="text"><br/>
        尺码:<input type="radio" name="size">155/80A/S 
            <input type="radio" name="size">155/80A/S 
            <input type="radio" name="size">155/80A/S 
            <input type="radio" name="size">155/80A/S <br/>
        类别:<input type="text"><br/>
        图片:<input type="file" value="浏览..."><br/>
            <input type="submit" value="保存">
            <input type="reset" value="清空">
            <br/>
            <br/>
            <select>
                <option>北京</option>
                <option selected="selected">上海</option>
            </select>
            <select>
                <option>--请选择年份--</option>
                <option>1991</option>
                <option>1992</option>
                <option>1993</option>
                <option>1994</option>
                <option>1995</option>
               </select>
        <br/>
        <br/>
        <br/>
    </form>
    <label for="name">用户名：</label>
    <input type="text" name="name"
    <input type="button" value="我是个按钮">
    <br>

    <form action="">
        课程:<input type="text" name="course">
        <input type="submit">
        <input type="reset">
        <input type="file">
    </form>
    <div>
        <label for="male">男</label>
        <input type="radio" name="sex" id="male">
        <label for="female">女</label>
        <input type="radio" name="sex" id="female"<br/>

    </div>
</body>
</html>